PartsTable
Technical Data Sheet
Download PDF

5749957-143 — LEAF,STRAP HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5749957-143: LEAF,STRAP HINGE.

The LEAF,STRAP HINGE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, performance_type: NOT RATED, special_features: ALTERED ITEM, style_designator: STRAP W/DOOR LEAF OFFSET. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-371-1013, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5749957-143
NSN: 5340-01-371-1013
FSC: 5340 — Hardware, Commercial
CAGE: 50079 — TEXTRON SYSTEMS CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_quantity2
performance_typeNOT RATED
special_featuresALTERED ITEM
style_designatorSTRAP W/DOOR LEAF OFFSET
material_thickness1.500 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL SURFACE
mounting_hole_quantity6
door_leaf_offset_distance3.220 INCHES NOMINAL IN
NSN5340-01-371-1013
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5749957-143 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 6
•
REVERSIBLE FEATURE: NOT INCLUDED
•
STYLE DESIGNATOR: STRAP W/DOOR LEAF OFFSET
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HINGE MOUNTING TYPE: FULL SURFACE
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 1.500 INCHES NOMINAL IN
•
DOOR LEAF OFFSET DISTANCE: 3.220 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY6
REVERSIBLE FEATURENOT INCLUDED
STYLE DESIGNATORSTRAP W/DOOR LEAF OFFSET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/9 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HINGE MOUNTING TYPEFULL SURFACE
HINGE PINNOT INCLUDED
MATERIAL THICKNESS1.500 INCHES NOMINAL IN
DOOR LEAF OFFSET DISTANCE3.220 INCHES NOMINAL IN
KNUCKLE QUANTITY2
SPECIAL FEATURESALTERED ITEM
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 5749957-143?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5749957-143?
5749957-143 is a LEAF,STRAP HINGE.
What is the NSN for 5749957-143?
5749957-143 is cataloged in the U.S. Government catalog under NSN 5340-01-371-1013. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5749957-143

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.